TY  - BOOK
AU  - DAVIDSON John Ed.
AU  -  LLOYD Richard Ed.
TI  - Conservation and agriculture
SN  - 0471995029
U1  - U672(J).3.N7, L7 
PY  - 1977///
CY  - Chichester
PB  - John Wiley & Sons U S A    
KW  - Agricultural Geography
N1  - Index:P246-52
ER  -